public class Dog {
    public String name;
    public int age;
    public String color;
    public Dog(){
        this("大黄",10,"黄色");
//        this.name="侯振远";
//        this.age=10;
//        this.color="黄色";
    }
    public Dog(String name,int age,String color){
        this.color=color;
        this.age=age;
        this.name=name;
    }
    Dog dog=new Dog("小黄",10,"黄色");


}
